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竹卵圆蝽是近年来在毛竹上新发现的重要害虫,浙江省1984年被害毛竹林面积仅1万余亩;1987年湖州市、杭州市的5个县及1个区已有18.6万亩毛竹林被害。严重被害毛竹林竹株枯死率高达75%,急需防治的占被害竹林面积的50%以上。在什么时间,用什么方法防治此虫,最为安全、经济、有效,是迫待解决的问题。笔者根据近几年来的研究及防治试验结果,谈谈此虫的防治策略及防治方法,供生产单位参考。一、竹卵圆蝽生活史简介竹卵圆蝽为一年发生1代,以3、4龄若虫于地面枯枝落叶下越冬(4龄占98%),翌年4月中旬爬行上竹,在竹枝、干的节上取
Egg stink bug is an important pest newly discovered on bamboo in recent years. The area of damaged bamboo grove in Zhejiang Province in 1984 was only 10,000 mu. In 1987, there were 186,000 mu land in 5 counties and 1 district in Huzhou City and Hangzhou City. Moso bamboo killed. Serious victims of bamboo forest bamboo dead rate as high as 75% of the urgent need of prevention and control accounted for more than 50% of the area of bamboo forests. At what time, what kind of prevention and control of this pest is the safest, most economical and effective way to solve this problem? According to the author’s research and prevention and control test results in recent years, I talk about the pest control strategies and prevention methods for production units for reference. A bamboo oyster life history Brief introduction Egg stink bug occurs a generation a year to 3,4 instar nymph wintering under the ground litter (age 4 accounted for 98%), the following year in mid-April crawling on bamboo, Take bamboo sticks and dried knots